1821453400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{769}}^1\times {\mathrm{911}}^1$

素因数の和:1709

約数の個数: 96

約数和(自身を含む): 4571582400

約数和(自身を除く): 2750129000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 769, 911, 1300, 1538, 1822, 2600, 3076, 3644, 3845, 4555, 6152, 7288, 7690, 9110, 9997, 11843, 15380, 18220, 19225, 19994, 22775, 23686, 30760, 36440, 38450, 39988, 45550, 47372, 49985, 59215, 76900, 79976, 91100, 94744, 99970, 118430, 153800, 182200, 199940, 236860, 249925, 296075, 399880, 473720, 499850, 592150, 700559, 999700, 1184300, 1401118, 1999400, 2368600, 2802236, 3502795, 5604472, 7005590, 9107267, 14011180, 17513975, 18214534, 28022360, 35027950, 36429068, 45536335, 70055900, 72858136, 91072670, 140111800, 182145340, 227681675, 364290680, 455363350, 910726700, 1821453400]

約数ペア:

[(1, 1821453400), (2, 910726700), (4, 455363350), (5, 364290680), (8, 227681675), (10, 182145340), (13, 140111800), (20, 91072670), (25, 72858136), (26, 70055900), (40, 45536335), (50, 36429068), (52, 35027950), (65, 28022360), (100, 18214534), (104, 17513975), (130, 14011180), (200, 9107267), (260, 7005590), (325, 5604472), (520, 3502795), (650, 2802236), (769, 2368600), (911, 1999400), (1300, 1401118), (1538, 1184300), (1822, 999700), (2600, 700559), (3076, 592150), (3644, 499850), (3845, 473720), (4555, 399880), (6152, 296075), (7288, 249925), (7690, 236860), (9110, 199940), (9997, 182200), (11843, 153800), (15380, 118430), (18220, 99970), (19225, 94744), (19994, 91100), (22775, 79976), (23686, 76900), (30760, 59215), (36440, 49985), (38450, 47372), (39988, 45550)]